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This work explores the performance of a large video understanding foundation model on the downstream task of human fall detection on untrimmed video and leverages a pretrained vision transformer for multi-class action detection, with…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Till Grutschus , Ola Karrar , Emir Esenov , Ekta Vats

Diffusion models have become prominent in creating high-quality images. However, unlike GAN models celebrated for their ability to edit images in a disentangled manner, diffusion-based text-to-image models struggle to achieve the same level…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Hidir Yesiltepe , Yusuf Dalva , Pinar Yanardag

Treating texts as images, combining prompts with textual labels for prompt tuning, and leveraging the alignment properties of CLIP have been successfully applied in zero-shot multi-label image recognition. Nonetheless, relying solely on…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Haonan Xu , Dian Chao , Xiangyu Wu , Zhonghua Wan , Yang Yang

Recently, multi-modal large language models have made significant progress. However, visual information lacking of guidance from the user's intention may lead to redundant computation and involve unnecessary visual noise, especially in…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Zheng Cheng , Rendong Wang , Zhicheng Wang

Large Vision Language Models (LVLMs) have demonstrated impressive zero-shot capabilities in various vision-language dialogue scenarios. However, the absence of fine-grained visual object detection hinders the model from understanding the…

计算与语言 · 计算机科学 2024-04-15 Junyu Lu , Dixiang Zhang , Songxin Zhang , Zejian Xie , Zhuoyang Song , Cong Lin , Jiaxing Zhang , Bingyi Jing , Pingjian Zhang

Large-scale video diffusion models show strong world simulation and temporal reasoning abilities, but their use as zero-shot image editors remains underexplored. We introduce IF-Edit, a tuning-free framework that repurposes pretrained…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Zechuan Zhang , Zhenyuan Chen , Zongxin Yang , Yi Yang

This study aims to explore efficient tuning methods for the screenshot captioning task. Recently, image captioning has seen significant advancements, but research in captioning tasks for mobile screens remains relatively scarce. Current…

机器学习 · 计算机科学 2023-09-27 Ching-Yu Chiang , I-Hua Chang , Shih-Wei Liao

Frozen pretrained models have become a viable alternative to the pretraining-then-finetuning paradigm for transfer learning. However, with frozen models there are relatively few parameters available for adapting to downstream tasks, which…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Yutong Lin , Ze Liu , Zheng Zhang , Han Hu , Nanning Zheng , Stephen Lin , Yue Cao

Text-video retrieval is a critical multi-modal task to find the most relevant video for a text query. Although pretrained models like CLIP have demonstrated impressive potential in this area, the rising cost of fully finetuning these models…

计算机视觉与模式识别 · 计算机科学 2024-01-22 Xiangpeng Yang , Linchao Zhu , Xiaohan Wang , Yi Yang

Recent contrastive language image pre-training has led to learning highly transferable and robust image representations. However, adapting these models to video domains with minimal supervision remains an open problem. We explore a simple…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Kanchana Ranasinghe , Michael Ryoo

Zero-shot action recognition relies on transferring knowledge from vision-language models to unseen actions using semantic descriptions. While recent methods focus on temporal modeling or architectural adaptations to handle video data, we…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Salman Iqbal , Waheed Rehman

Contrastive Language-Image Pretraining (CLIP) has demonstrated great zero-shot performance for matching images and text. However, it is still challenging to adapt vision-lanaguage pretrained models like CLIP to compositional image and text…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Kenan Jiang , Xuehai He , Ruize Xu , Xin Eric Wang

Video-based Large Language Models (Video-LLMs) have witnessed substantial advancements in recent years, propelled by the advancement in multi-modal LLMs. Although these models have demonstrated proficiency in providing the overall…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Yangliu Hu , Zikai Song , Na Feng , Yawei Luo , Junqing Yu , Yi-Ping Phoebe Chen , Wei Yang

Large scale vision and language models can achieve impressive zero-shot recognition performance by mapping class specific text queries to image content. Two distinct challenges that remain however, are high sensitivity to the choice of…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Sarah Parisot , Yongxin Yang , Steven McDonagh

We observe that the mapping between an image's representation in one model to its representation in another can be learned surprisingly well with just a linear layer, even across diverse models. Building on this observation, we propose…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Mazda Moayeri , Keivan Rezaei , Maziar Sanjabi , Soheil Feizi

Video recordings of nonhuman primates in their natural habitat are a common source for studying their behavior in the wild. We fine-tune pre-trained video-text foundational models for the specific domain of capuchin monkeys, with the goal…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Giulio Cesare Mastrocinque Santo , Patrícia Izar , Irene Delval , Victor de Napole Gregolin , Nina S. T. Hirata

Scene text retrieval aims to find all images containing the query text from an image gallery. Current efforts tend to adopt an Optical Character Recognition (OCR) pipeline, which requires complicated text detection and/or recognition…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Gangyan Zeng , Yuan Zhang , Jin Wei , Dongbao Yang , Peng Zhang , Yiwen Gao , Xugong Qin , Yu Zhou

Contrastive learning has emerged as a transformative method for learning effective visual representations through the alignment of image and text embeddings. However, pairwise similarity computation in contrastive loss between image and…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Sachin Mehta , Maxwell Horton , Fartash Faghri , Mohammad Hossein Sekhavat , Mahyar Najibi , Mehrdad Farajtabar , Oncel Tuzel , Mohammad Rastegari

Although massive pre-trained vision-language models like CLIP show impressive generalization capabilities for many tasks, still it often remains necessary to fine-tune them for improved performance on specific datasets. When doing so, it is…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Moritz Ibing , Isaak Lim , Leif Kobbelt

The increase of web-scale weakly labelled image-text pairs have greatly facilitated the development of large-scale vision-language models (e.g., CLIP), which have shown impressive generalization performance over a series of downstream…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Lianyu Hu , Tongkai Shi , Liqing Gao , Zekang Liu , Wei Feng